X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.7
Details 2.2M MAGNESIUM CHLORIDE, O.1M BICINE PH 8.7, 5MM L-ASPARAGINE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 103.12 α = 90
b = 103.12 β = 90
c = 52.4 γ = 90
Symmetry
Space Group P 4

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.1 -- SRS PX14.1

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
2.4 30 99.2 0.1 -- -- 0.0 -- 21843 -- 0.0 --
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
2.4 2.53 99.9 0.69 -- 1.7 0.0 --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 2.4 30.0 -- -- -- 20542 1103 99.2 -- 0.232 0.229 0.294 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.4 2.46 -- 77 1531 0.312 0.429 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 41.33
Anisotropic B[1][1] -1.75
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.75
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 3.49
RMS Deviations
Key Refinement Restraint Deviation
r_nbd_refined 0.264
r_xyhbond_nbd_refined 0.181
r_dihedral_angle_1_deg 8.617
r_mcbond_it 1.03
r_chiral_restr 0.067
r_dihedral_angle_4_deg 17.901
r_nbtor_refined 0.32
r_angle_refined_deg 0.971
r_symmetry_vdw_refined 0.338
r_mcangle_it 1.869
r_gen_planes_refined 0.003
r_dihedral_angle_3_deg 21.493
r_scangle_it 4.555
r_dihedral_angle_2_deg 41.2
r_symmetry_hbond_refined 0.247
r_scbond_it 2.829
r_bond_refined_d 0.007
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2300
Nucleic Acid Atoms 0
Heterogen Atoms 19
Solvent Atoms 135

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0019
MOSFLM data reduction
SCALA data scaling
MOLREP phasing